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~ III llllllflllllllll ~ `~~- ~y ~ <br />~T,°~TE OF COLOIZ~00 <br />~~LJ "_% <br />Roy Romer. Governor ~\ <br />DEPARTMENT OF NATURAL RESOURCES <br />MINED LAND RECLAMATION DIVISION <br />FRED R. BANTA, Director <br />DATE: January G, 1989 ~!~_ <br />T0: Candy Thompson l.%V <br />FROM: Michael Savage ~~ <br />_ ` ~' <br />?~ ~`_: <br />I ~.y.,~ <br />-~ <br />-// / ~i <br />RE: t4unger Canyon Cline (C-80-004) Refuse Disposal Area; Diversion Designs <br />The Munger Canyon t4ine has approval to construct a coal processing waste pile <br />near their facilities area. Though approved, the construction of the pile has <br />not begun to date. <br />Designs for ditches at and around the <br />document in Sections 2.4 and 3.1.1 an <br />ditches are designed to a 2 yr, 24 hr <br />sized to a 10 yr, 24 hr storm event. <br />24 hr storm event. All these ditches <br />to pass the 100 year, 24 hour event, <br />pile are described in the permit <br />i Exhibits 9A, 51, and 52. Temporary <br />storm event, Permanent ditches are <br />Diversions are also sized to a 10 yr, <br />need to be revised by technical revision <br />If you need further information please let me know. <br />MS/es <br />2398E <br />~a~~ ~~ ~p~ ~.s e-z <br />s p ~ ~m ~, <br />~od- S 7 ~l~Gu4 ~L rP~o~%ol'1 <br />215 Centennial Building, 1313 Sherman Stree[ Denver, Colorado 80203-2273 T el. ~3D3) 865-3567 <br />